Climate averages 1991–2020
Weather in Oman in December
In December, average daytime highs across the 12 cities listed in Oman range from 25.1°C in Muscat to 27.5°C in Şalālah. Monthly rainfall ranges from 1.9 mm in Şalālah to 14 mm in Samā’il.
Long-term climate patterns, not a forecast for a particular trip.
City by city
December in Oman
| City | Average highHigh / low | Average low | Rainfall mm | Rain days |
|---|---|---|---|---|
| Muscat | 25.1°C18.2°C | 18.2°C | 13 | 1.8 |
| Seeb | 25.3°C18.7°C | 18.7°C | 12 | 2.3 |
| ‘Ibrī | 26.5°C12.9°C | 12.9°C | 5.0 | 0.5 |
| Şalālah | 27.5°C18.8°C | 18.8°C | 1.9 | 0.5 |
| Şaḩam | 25.6°C16.9°C | 16.9°C | 8.8 | 1.3 |
| Rustaq | 26.0°C17.5°C | 17.5°C | 14 | 2.2 |
| Sohar | 26.0°C16.4°C | 16.4°C | 12 | 1.5 |
| As Suwayq | 26.2°C16.6°C | 16.6°C | 5.2 | 0.9 |
| Samā’il | 25.9°C16.9°C | 16.9°C | 14 | 2.3 |
| Al Buraymī | 25.8°C14.3°C | 14.3°C | 4.4 | 0.6 |
| Nizwá | 26.5°C14.7°C | 14.7°C | 5.8 | 0.8 |
| Sur | 25.6°C19.3°C | 19.3°C | 9.0 | 1.9 |
A rain day is a local calendar day with at least 1 mm of precipitation.